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參數資料
| 型號： | X1228V14Z-2.7A |
| 廠商： | INTERSIL CORP |
| 元件分類： | XO, clock |
| 英文描述： | EXT. DISTANCE DATA CABLE 25 CO |
| 中文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO14 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MO-153AC, TSSOP-14 |
| 文件頁數： | 1/31頁 |
| 文件大小： | 569K |
| 代理商： | X1228V14Z-2.7A |
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REV 1.3 3/24/04
Characteristics subject to change without notice.
1 of 31
www.xicor.com
4K (512 x 8)
2-Wire
RTC
Real Time Clock/Calendar/CPU Supervisor with EEPROM
FEATURES
Real Time Clock/Calendar
—Tracks time in Hours, Minutes, and Seconds
—Day of the Week, Day, Month, and Year
2 Polled Alarms (Non-volatile)
—Settable on the Second, Minute, Hour, Day of the
Week, Day, or Month
—Repeat Mode (periodic interrupts)
Oscillator Compensation on chip
—Internal feedback resistor and compensation
capacitors
—64 position Digitally Controlled Trim Capacitor
—6 digital frequency adjustment settings to
±30ppm
CPU Supervisor Functions
—Power On Reset, Low Voltage Sense
—Watchdog Timer (SW Selectable: 0.25s, 0.75s,
1.75s, off)
Battery Switch or Super Cap Input
512 x 8 Bits of EEPROM
—64-Byte Page Write Mode
—8 modes of Block Lock Protection
—Single Byte Write Capability
High Reliability
—Data Retention: 100 years
—Endurance: 100,000 cycles per byte
2-Wire Interface interoperable with I2C*
—400kHz data transfer rate
Frequency Output (SW Selectable: Off, 1Hz,
4096Hz, or 32.768kHz)
Low Power CMOS
—1.25μA Operating Current (Typical)
Small Package Options
—14-Lead SOIC and 14-Lead TSSOP
APPLICATIONS
Utility Meters
HVAC Equipment
Audio / Video Components
Set Top Box / Television
Modems
Network Routers, Hubs, Switches, Bridges
Cellular Infrastructure Equipment
Fixed Broadband Wireless Equipment
Pagers / PDA
POS Equipment
Test Meters / Fixtures
Office Automation (Copiers, Fax)
Home Appliances
Computer Products
Other Industrial / Medical / Automotive
X1228
BLOCK DIAGRAM
X1
X2
Oscillator
Frequency
Divider
Timer
Calendar
Logic
8
Control/
Registers
(EEPROM)
1Hz
Time
Keeping
Registers
(SRAM)
Alarm Regs
(EEPROM)
Compare
M
RESET
Control
Decode
Logic
Alarm
SCL
SDA
Serial
Interface
Decoder
4K
EEPROM
ARRAY
Watchdog
Timer
Low Voltage
Reset
Registers
Status
(SRAM)
Select
PHZ/IRQ
V
CC
V
BACK
32.768kHz
Battery
Switch
Circuitry
OSC Compensation
*I2C is a Trademark of Philips.
New Features
Repetitive Alarms &
Temperature Compensation
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相關代理商/技術參數 |
參數描述 |
|---|---|
| X1228V14Z-4.5A | 功能描述:IC RTC/CAL/CPU SUP EE 14-TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 實時時鐘 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:時鐘/日歷 特點:警報器，閏年，SRAM 存儲容量:- 時間格式:HH:MM:SS（12/24 小時） 數據格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源，電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應商設備封裝:8-TDFN EP 包裝:管件 |
| X1228ZY WAF | 制造商:Intersil Corporation 功能描述: |
| X122K | 制造商:IQD Frequency Products 功能描述:CRYSTAL OSCILLATOR 12.288000MHZ |
| X122-SERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| X123-133.33M | 制造商:CONNOR-WINFIELD 制造商全稱:Connor-Winfield Corporation 功能描述:5.0x7.0mm Surface Mount LVCMOS Clock Oscillator Series |
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